body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:#0b0f19;color:#f8fafc;display:flex;justify-content:center;padding:40px 20px}.demo-wrapper{max-width:500px;width:100%;display:flex;flex-direction:column;align-items:center}.demo-header{text-align:center;margin-bottom:24px}.demo-header h1{font-size:24px;margin:0 0 8px;color:#38bdf8}.demo-header p{margin:0;font-size:14px;color:#94a3b8}.demo-controls{display:flex;gap:16px;margin-bottom:24px;font-size:13px}.demo-controls select{background:#1e293b;color:#f8fafc;border:1px solid #334155;border-radius:6px;padding:6px 10px;outline:none}.demo-captcha-area{margin-bottom:24px}.demo-token-box{width:100%;background:#064e3b;border:1px solid #059669;border-radius:8px;padding:12px;font-size:13px;text-align:center;box-sizing:border-box}.demo-token-label{margin-top:4px;color:#a7f3d0;font-size:11px}.demo-error-box{margin-top:12px;color:#f87171;font-size:13px}